Home / 26,989.86-37,247.80-15,663.02

Finding the Fourth Proportional to 26,989.86, 37,247.80 and 15,663.02

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Solution

The fourth proportional to 26,989.86, 37,247.80 and 15,663.02 is: 21,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.86 : 37,247.80 = 15,663.02 : x
  2. Step 2: Convert to fraction form
    26,989.86/37,247.80 = 15,663.02/x
  3. Step 3: Cross multiply
    26,989.86x = 37,247.80 × 15,663.02
  4. Step 4: Simplify right side
    26,989.86x = 583,413,049.85
  5. Step 5: Solve for x
    x = 583,413,049.85/26,989.86
  6. Step 6: Final answer
    x = 21,616.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.